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PKC
2012
Springer
212views Cryptology» more  PKC 2012»
13 years 2 days ago
Security of Blind Signatures Revisited
We revisit the definition of unforgeability of blind signatures as proposed by Pointcheval and Stern (Journal of Cryptology 2000). Surprisingly, we show that this established deļ¬...
Dominique Schröder, Dominique Unruh
CIS
2005
Springer
15 years 3 months ago
On Anonymity of Group Signatures
A secure group signature is required to be anonymous, that is, given two group signatures generated by two different members on the same message or two group signatures generated ...
Sujing Zhou, Dongdai Lin
CCS
2004
ACM
15 years 1 months ago
Group signatures with verifier-local revocation
Group signatures have recently become important for enabling privacy-preserving attestation in projects such as Microsoft's ngscb effort (formerly Palladium). Revocation is c...
Dan Boneh, Hovav Shacham
ASIACRYPT
2003
Springer
15 years 2 months ago
Accumulating Composites and Improved Group Signing
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
Gene Tsudik, Shouhuai Xu
ASIACRYPT
2004
Springer
15 years 3 months ago
Generic Homomorphic Undeniable Signatures
We introduce a new computational problem related to the interpolation of group homomorphisms which generalizes many famous cryptographic problems including discrete logarithm, Diļ¬...
Jean Monnerat, Serge Vaudenay